Where does “แห้ง” come from?

แห้ง (Thai) comes from Proto-Tai ʰreːŋᶜ — dried up.

แห้ง (Thai): dry; dried

Definitions

Step	Language	Word	Meaning
1	Proto-Tai	ʰreːŋᶜ	dried up

แห้ง — Etymology, Origin & Word History | Etymology Explorer